# \#thyristors **URL:** https://forum.plexim.com/tag/thyristors/276.md [Latest](https://forum.plexim.com/latest.md) · [Categories](https://forum.plexim.com/categories.md) · [Tags](https://forum.plexim.com/tags.md) --- ## [Why i have different waveforms between two systems?](https://forum.plexim.com/t/why-i-have-different-waveforms-between-two-systems/1074)
**Author:** [@Alberto\_Rehbein](https://forum.plexim.com/u/Alberto_Rehbein)\ **Replies:** 0\ **Last updated:** [November 3, 2021, 11:02pm UTC](https://forum.plexim.com/t/why-i-have-different-waveforms-between-two-systems/1074 "2021-11-03T23:02:14Z")
hello, i have a rectifier with certain conditions and i got this current waveform as DC current Then i build a system transmission simulation using the same conditions that rectifier had, but applied to rectifier and… --- ## [Problem With 3-phase PLL in a 12 pulse thyristor rectifer](https://forum.plexim.com/t/problem-with-3-phase-pll-in-a-12-pulse-thyristor-rectifer/1066)
**Author:** [@Alberto\_Rehbein](https://forum.plexim.com/u/Alberto_Rehbein)\ **Replies:** 6\ **Last updated:** [October 18, 2021, 11:30am UTC](https://forum.plexim.com/t/problem-with-3-phase-pll-in-a-12-pulse-thyristor-rectifer/1066 "2021-10-18T11:30:35Z")
Hello, I have a problem with my simulation. As we know a 12 pulse igbt rectifier with a fire angle equal to zero have phase shift between voltage and current equal to zero in AC side, but in the simulation I have about 3… --- ## [Controlling the thyristors of the B6C rectifier with 6-Pulse Generator?](https://forum.plexim.com/t/controlling-the-thyristors-of-the-b6c-rectifier-with-6-pulse-generator/710)
**Author:** [@vossienz](https://forum.plexim.com/u/vossienz)\ **Replies:** 1\ **Last updated:** [October 29, 2019, 2:15pm UTC](https://forum.plexim.com/t/controlling-the-thyristors-of-the-b6c-rectifier-with-6-pulse-generator/710 "2019-10-29T14:15:40Z")
Hello, I need a driver for a B6C (6 thyristors) and came across the 6 Pulse Generator. Now I have the problem that I get no gate current at each 2 thyristors. At “phi” I have a Pulse Generator, connected to “enable” a c…